Iterative Relaxation Initialization: H =, f = f. While f 0 do: oFind a basic optimal solution, x, of the LP with function f. o (Rounding) Add an edge
{"Image DocumentName": "A multiplicative factor 2", "Image ImageDescription": "Iterative Relaxation. Initialization: H = , f\u2019 = f. While f\u2019 \u2260 0 do: Find a basic optimal solution, x, of the LP with function f\u2019. (Rounding) Add an edge with x(e) \u2265 1/2 into H. (Relaxing) Remove the degree constraint of v if v has degree \u2264 4. Update the connectivity requirement f\u2019 Update degree bounds: set Bv:=Bv-1/2 if e is incident at v. Output H. A multiplicative factor 2. An additive constant +3. Theorem: There is a (2,2B+3)-approximation algorithm for. the minimum bounded degree Steiner network problem.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}